US3128146A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyolefin dyeing
Assignee: American Aniline Products Inc
•
Filing: 1961-10-11
•
Granted: 1964-04-07
•
Expires: 1981-10-11
Abstract
No abstract record available.
Inventors
- 👤 Bianco Joseph
- 👤 Herman P Baumann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:56
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/90; D06P1/92; D06P1/922; D06P1/44; D06P1/667; D06P1/928; D06P3/00; D06P3/79; D06P3/794; Y; Y10; Y10S; Y10S8/00; Y10S8/92; Y10S8/928; Y10S8/938
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
A METHOD OF COLORING POLYPROPYLENE COMPRISING IMMERSING SAID POLYPROPYLENE IN A DYE LIQUOR AT A TEMPERATURE BETWEEN 75*C. AND THE BOILING POINT OF SAID LIQUOR, SAID LIQUOR COMPRISING (1) 0.01-1% BY WEIGHT, BASED UPON THE WEIGHT OF SAID LIQUOR, OF A WATER-INSOLUBLE, OILSOLUBLE DYESTUFF DISSOLVED IN AN INERT SOLVENT SELECTED FROM THE GROUP CONSISTING OF VOLATILE LIQUID HYDROCARBONS, POLAR HALOALKANES AND POLAR WATER-SOLUBLE AMIDES, THE AMOUNT OF SAID SOLVENT BEING 0.5-5% BY WEIGHT OF SAID LIQUOR, (2) AN AQUEOUS EMULSION OF AN ORGANIC PHOSPHITE SELECTED FROM THE GROUP CONSISTING OF TRIARYL PHOSPHITES, TRI LOWER ALKARYL PHOSPHITES AND TRIALKYL PHOSPHITES WHEREIN THE ALKYL GROUP HAS FROM 50-10 CARBON ATOMS, THE AMOUNT OF SAID PHOSPHITE BEING FROM 1-10% BY WEIGHT BASED ON THE WEIGHT OF SAID LIQUOR, AND (3) SUFFICIENT WATER TO PROVIDE THE ABOVE-INDICATED CONCENTRATION OF SAID DYESTUFF.
Claim 2
Independent Claim
137 words
A METHOD OF COLORING POLYPROPYLENE COMPRISING IMMERSING SAID POLYPROPYLENE IN A DYE LIQUOR AT A TEMPERATURE BETWEEN 75*C. AND THE BOILING POINT OF SAID LIQUOR, SAID LIQUOR COMPRISING (1) 0.01-1% BY WEIGHT, BASED UPON THE WEIGHT OF SAID LIQUOR, OF A WATER-INSOLUBLE, OILSOLUBLE DYESTUFF DISSOLVED IN AN INERT SOLVENT SELECTED FROM THE GROUP CONSISTING OF VOLATILE LIQUID HYDROCARBONS, POLAR HALOALKANES AND POLAR WATER-SOLUBLE AMIDES, THE AMOUNT OF SAID SOLVENT BEING 0.5-5% BY WEIGHT OF SAID LIQUOR, (2) AN AQUEOUS EMULSION OF AN ORGANIC PHOSPHITE SELECTED FROM THE GROUP CONSISTING OF TRIARYL PHOSPHITES, TRI LOWER ALKARYL PHOSPHITES AND TRIALKYL PHOSPHITES WHEREIN THE ALKYL GROUP HAS FROM 50-10 CARBON ATOMS, THE AMOUNT OF SAID PHOSPHITE BEING FROM 1-10% BY WEIGHT BASED ON THE WEIGHT OF SAID LIQUOR, AND (3) SUFFICIENT WATER TO PROVIDE THE ABOVE-INDICATED CONCENTRATION OF SAID DYESTUFF.
References Cited (Backward Citations)
US2516980A
Cited
US2259515A
Cited
US2524811A
Cited
US2649435A
Cited
GB809495A
Cited
US3039840A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-07 | 1967-10-07 | 1968-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-07 | 1971-10-07 | 1972-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-07 | 1975-10-07 | 1976-04-07 | $7700.00 | Window Closed / Lapsed |